#405E83
Closest named color: Denim (#3B638C). oklch(47.5% 0.07 254.2), rgb(64, 94, 131).
Aa
White text reads best on this color (6.67:1).
About this color
#405E83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.070 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.018 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #405E83 |
| RGB | rgb(64, 94, 131) |
| HSL | hsl(213, 34%, 38%) |
| OKLCH | oklch(47.5% 0.07 254.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #405E83 | 6.67:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #405E83 | 3.14:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #405E83 text on white | 6.67:1 | AA | Lc 82.9 | Fine for body text |
| #405E83 text on black | 3.14:1 | AA large text | Lc -19.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B2C2D7
oklch(80.9% 0.035 255.2)
-
Step 400
400
#8AA3C2
oklch(70.7% 0.054 254)
-
Step 500
500
#6C8CB3
oklch(63.1% 0.069 253.7)
-
Step 600
600
#54769F
oklch(55.7% 0.075 253.6)
-
Step 700
700 (this color)
#405E83
oklch(47.5% 0.07 254.2)
-
Step 800
800
#38516E
oklch(42.8% 0.057 252.8)
-
Step 900
900
#314359
oklch(37.7% 0.044 253.8)
-
Step 950
950
#1D2734
oklch(26.9% 0.028 255.2)
#405E83 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4F6085 | 0.021 |
| Deuteranopia (no green cones) | #475982 | 0.016 |
| Tritanopia (no blue cones) | #21666B | 0.061 |
| Achromatopsia (no color) | #5C5C5C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405E83
#405E83
oklch(47.5% 0.07 254.2)
- #74562C
#74562C
oklch(47.5% 0.071 73.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #405E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.018
- YInMn Blue #415A77 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.030
- Dusk #4E5481 ΔE 0.032
- Dusty Grape #545775 ΔE 0.035
- Twilight #4E518B ΔE 0.045
Use #405E83 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.